-/* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe
-* All rights reserved.
-*
-* Authors: Christian Schaefer, Goetz Lindenmaier
-*
-* testprogram.
-*/
+/*
+ * Project: libFIRM
+ * File name: testprograms/irr_loop_example.c
+ * Purpose: Test Phi construction with irregular control flow.
+ * Author: Christian Schaefer, Goetz Lindenmaier
+ * Modified by:
+ * Created:
+ * CVS-ID: $Id$
+ * Copyright: (c) 1999-2003 Universität Karlsruhe
+ * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
+ */
# include <stdio.h>
# include <string.h>
# include "irdump.h"
# include "firm.h"
-/*
- * an irreducible loop.
- */
-
/**
-* This file constructs a control flow of following shape:
-*
-*
-* firstBlock
-* / \
-* / \
-* |/_ _\|
-* ---->
-* LoopBlock1 LoopBlock2
-* <----
-* \ /
-* \ /
-* _\| |/_
-* nextBlock
-*
-*
-**/
+ * This file constructs a control flow of following shape:
+ *
+ *
+ * firstBlock
+ * / \
+ * / \
+ * |/_ _\|
+ * ---->
+ * LoopBlock1 LoopBlock2
+ * <----
+ * \ /
+ * \ /
+ * _\| |/_
+ * nextBlock
+ *
+ *
+ **/
int main(int argc, char **argv)
{
#define NRES 0
printf("\nCreating an IR graph: %s...\n", CLASSNAME);
- owner = new_type_class (id_from_str (CLASSNAME, strlen(CLASSNAME)));
- proc_main = new_type_method(id_from_str(METHODNAME, strlen(METHODNAME)),
+ owner = new_type_class (new_id_from_chars (CLASSNAME, strlen(CLASSNAME)));
+ proc_main = new_type_method(new_id_from_chars(METHODNAME, strlen(METHODNAME)),
NRARGS, NRES);
ent = new_entity (owner,
- id_from_str (METHODNAME, strlen(METHODNAME)),
+ new_id_from_chars (METHODNAME, strlen(METHODNAME)),
proc_main);
get_entity_ld_name(ent); /* To enforce name mangling for vcg graph name */
cond = new_Cond(new_Proj(new_Cmp(expr, c1), mode_b, Eq));
f = new_Proj(cond, mode_X, 0);
t = new_Proj(cond, mode_X, 1);
- mature_block(get_irg_current_block(irg));
+ mature_immBlock(get_irg_current_block(irg));
loopBlock1 = new_immBlock();
- add_in_edge(loopBlock1, t);
+ add_immBlock_pred(loopBlock1, t);
cond = new_Cond(new_Proj(new_Cmp(expr, c2), mode_b, Eq));
f_l1 = new_Proj(cond, mode_X, 0);
t_l1 = new_Proj(cond, mode_X, 1);
loopBlock2 = new_immBlock();
- add_in_edge(loopBlock2, f);
+ add_immBlock_pred(loopBlock2, f);
cond = new_Cond(new_Proj(new_Cmp(expr, c3), mode_b, Eq));
f_l2 = new_Proj(cond, mode_X, 0);
t_l2 = new_Proj(cond, mode_X, 1);
- add_in_edge(loopBlock1, t_l2);
- add_in_edge(loopBlock2, t_l1);
- mature_block(loopBlock1);
- mature_block(loopBlock2);
+ add_immBlock_pred(loopBlock1, t_l2);
+ add_immBlock_pred(loopBlock2, t_l1);
+ mature_immBlock(loopBlock1);
+ mature_immBlock(loopBlock2);
new_immBlock();
- add_in_edge(get_irg_current_block(irg), f_l2);
- add_in_edge(get_irg_current_block(irg), f_l1);
- {
- ir_node *in[0];
- x = new_Return (get_store(), 0, in);
- }
- mature_block (get_irg_current_block(irg));
+ add_immBlock_pred(get_irg_current_block(irg), f_l2);
+ add_immBlock_pred(get_irg_current_block(irg), f_l1);
+ x = new_Return (get_store(), 0, NULL);
+ mature_immBlock (get_irg_current_block(irg));
- add_in_edge (get_irg_end_block(irg), x);
- mature_block (get_irg_end_block(irg));
+ add_immBlock_pred (get_irg_end_block(irg), x);
+ mature_immBlock (get_irg_end_block(irg));
finalize_cons (irg);
irg_vrfy(irg);
printf("Dumping the graph and a control flow graph.\n");
- dump_ir_block_graph (irg);
- dump_cfg (irg);
+ char *dump_file_suffix = "";
+ dump_ir_block_graph (irg, dump_file_suffix);
+ dump_cfg (irg, dump_file_suffix);
printf("Use xvcg to view these graphs:\n");
printf("/ben/goetz/bin/xvcg GRAPHNAME\n\n");